Keywords: Dutch frigate Tromp (F801) operating with the NATO Standing Naval Force Atlantic in February 1978.jpg The Royal Dutch Navy frigate Hr Ms Tromp F801 operating with the NATO Standing Naval Force Atlantic in February 1978 Official U S Navy photo https //www history navy mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/USN-1172000/USN-1172863 html USN 1172863 from the U S Navy http //www history navy mil Naval History and Heritage Command 1978-02 U S Navy PD-USGov-Military-Navy F801 Tromp ship 1975 Standing Naval Force Atlantic NATO |